Home / 10,388.57-15,586.49-4,549.28

Finding the Fourth Proportional to 10,388.57, 15,586.49 and 4,549.28

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Solution

The fourth proportional to 10,388.57, 15,586.49 and 4,549.28 is: 6,825.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388.57 : 15,586.49 = 4,549.28 : x
  2. Step 2: Convert to fraction form
    10,388.57/15,586.49 = 4,549.28/x
  3. Step 3: Cross multiply
    10,388.57x = 15,586.49 × 4,549.28
  4. Step 4: Simplify right side
    10,388.57x = 70,907,240.67
  5. Step 5: Solve for x
    x = 70,907,240.67/10,388.57
  6. Step 6: Final answer
    x = 6,825.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.